✅ Answer: Pay attention to the following narrations:

1⃣عَنْ زِیَادٍ الْقَنْدِیِّ قَالَ: قَالَ أَبُوالْحَسَنِ یَا زِیَادُ أُحِبُّ لَکَ مَا أُحِبُّ لِنَفْسِی وَ أَکْرَهُ لَکَ مَا أَکْرَهُ لِنَفْسِی أَتِمَّ الصَّلَاةَ فِی الْحَرَمَیْنِ وَ بِالْکُوفَةِ و عِنْدَ قَبْرِ الْحُسَیْن

📚 Al-Tahzib, vol. 5, p. 430

Imam Kazim (peace be upon him) instructed Zyad Qandi: 'O Zyad! I wish for you what I wish for myself. Offer your prayers complete in the sanctuary of Mecca, Medina, Kufa, and near the grave of Hussein (peace be upon him).'

2⃣عَنْ عَبْدالْحَمِیدِ خَادِمِ إِسْمَاعِیلَ بْنِ جَعْفَرٍ عَنْ أَبِی عَبْدِ اللَّهِ قَالَ: تَتِمُّ الصَّلَاةُ فِی أَرْبَعَةِ مَوَاطِنَ فِی الْمَسْجِدِ الْحَرَامِ و مَسْجِدِ الرَّسُول و مَسْجِدِ الْکُوفَةِ وَ حَرَمِ الْحُسَیْن

📚 Al-Kafi, vol. 4, p. 587

Imam Sadiq (peace be upon him) said: 'Offer your prayers complete in four places: Masjid al-Haram, Masjid al-Nabi, Masjid Kufa, and the sanctuary of Hussein (peace be upon him).'

3⃣عَنْ حَمَّادِ بْنِ عِیسَی عَنْ أَبِی عَبْداللَّه أَنَّهُ قَالَ: مِنْ مَخْزُونِ عِلْمِ اللَّهِ الْإِتْمَامُ فِی أَرْبَعَةِ مَوَاطِنَ حَرَمِ اللَّه وَ حَرَمِ رَسُولِهِ وَ حَرَمِ أَمِیرِ الْمُؤْمِنِین وَ حَرَمِ الْحُسَیْنِ بْنِ عَلِیٍّ

📚 Al-Tahzib, vol. 5, p. 430

Imam Sadiq (peace be upon him) said: 'From the treasury of divine knowledge, completeness of prayer is in four places: the sanctuary of Allah, the sanctuary of His Messenger, the sanctuary of Ali (peace be upon him), and the sanctuary of Hussein (peace be upon him).'

4⃣ عَنْ حُذَیْفَةَ بْنِ مَنْصُورٍ عَمَّنْ سَمِعَ أَبَا عَبْدِاللَّهِ یَقُولُ تَتِمُّ الصَّلَاةُ فِی الْمَسْجِدِ الْحَرَامِ وَ مَسْجِدِ الرَّسُولِ وَ مَسْجِدِ الْکُوفَةِ وَ حَرَمِ الْحُسَیْنِ.

📚 Al-Kafi, vol. 4, p. 586

Imam Sadiq (peace be upon him) said: 'Offer your prayers complete in Masjid al-Haram, Masjid al-Rasul, Masjid Kufa, and the sanctuary of Hussein (peace be upon him).'

5⃣عَنْ أَبِی شِبْلٍ قَالَ: قُلْتُ لِأَبِی عَبْدِ اللَّهِ أَزُورُ قَبْرَ الْحُسَیْنِ قَالَ نَعَمْ زُرِ الطَّیِّبَ وَ أَتِمَّ الصَّلَاةَ فِیهِ قُلْتُ فَإِنَّ بَعْضَ أَصْحَابِنَا یَرَوْنَ التَّقْصِیرَ قَالَ إِنَّمَا یَفْعَلُ ذَلِکَ الضَّعَفَةُ.

📚 Al-Kafi, vol. 4, p. 578

Abu Shabal reported: 'I asked Imam Sadiq (peace be upon him): Should I visit the grave of Hussein (peace be upon him)? He replied: Yes, visit it and offer complete prayers there.'

I said: Some of our associates consider broken prayers as acceptable. He said: Indeed, the weak do that.

6⃣ عَنِ الْحُسَیْنِ بْنِ سَعِیدٍ عَنْ إِبْرَاهِیمَ بْنِ أَبِی الْبِلَادِ عَنْ رَجُلٍ مِنْ أَصْحَابِنَا عَنْ أَبِی عَبْدِ اللَّهِ قَالَ: تَتِمُّ الصَّلَاةُ فِی ثَلَاثَةِ مَوَاطِنَ فِی الْمَسْجِدِ الْحَرَامِ وَ مَسْجِدِ الرَّسُولِ وَ عِنْدَ قَبْرِ الْحُسَیْنِ

📚 Al-Kafi, vol. 4, p. 586

Imam Sadiq (peace be upon him) said: 'Offer your prayers complete in three places: Masjid al-Haram, Masjid al-Rasul, and Masjid Kufa, and near the grave of Hussein (peace be upon him).'

7⃣عَنْ أَبِی بَصِیرٍ عَنْ أَبِی عَبْدِ اللَّهِ قَالَ سَمِعْتُهُ یَقُولُ تَتِمُّ الصَّلَاةُ فِی أَرْبَعَةِ مَوَاطِنَ فِی الْمَسْجِدِ الْحَرَامِ وَ مَسْجِدِ الرَّسُولِ وَ مَسْجِدِ الْکُوفَةِ وَ حَرَمِ الْحُسَیْنِ صلوات اللَّه علیه

📚 Al-Kafi, vol. 4, p. 586

Abu Basir reported: 'I heard Imam Sadiq (peace be upon him) saying: Offer your prayers complete in four places: Masjid al-Haram, Masjid al-Rasul, Masjid Kufa, and the sanctuary of Hussein (peace be upon him).'

8⃣مُحَمَّدُ بْنُ عَلِیِّ بْنِ الْحُسَیْنِ قَالَ: قَالَ الصَّادِقُ مِنَ الْأَمْرِ الْمَذْخُورِ إِتْمَامُ الصَّلَاةِ فِی أَرْبَعَةِ مَوَاطِنَ مَکَّةَ وَ الْمَدِینَةِ وَ مَسْجِدِ الْکُوفَةِ وَ حَائِرِ الْحُسَیْنِ

📚 Al-Faqih, vol. 1, p. 442

Imam Sadiq (peace be upon him) said: 'Indeed, one of the recommended actions is to offer complete prayers in four places: Mecca, Medina, Masjid Kufa, and the precinct of Hussein (peace be upon him).'

اللَّهُمَّ صَلِّ عَلَی مُحَمَّدٍ وَ آلِ مُحَمَّدٍ وَ عَجِّلْ لِوَلِیِّکَ الْفَرَجَ وَ الْعَافِیَةَ وَ النَّصْر

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9⃣عَنْ حَمَّادِ بْنِ عِیسَی عَنْ بَعْضِ أَصْحَابِنَا عَنْ أَبِی عَبْدِ اللَّهِ قَالَ: مِنَ الْأَمْرِ الْمَذْخُورِ إِتْمَامُ الصَّلَاةِ فِی أَرْبَعَةِ مَوَاطِنَ بِمَکَّةَ وَ الْمَدِینَةِ وَ مَسْجِدِ الْکُوفَةِ وَ الْحَائِرِ.

📚 Kamal al-Ziyarat, p. 249

Imam Sadiq (peace be upon him) said: 'One of the recommended actions is to offer complete prayers in four places: Mecca, Medina, Masjid Kufa, and the precinct of Hussein (peace be upon him).'

0⃣1⃣عَنْ عَمْرِو بْنِ مَرْزُوقٍ قَالَ: سَأَلْتُ أَبَا الْحَسَنِ عَنِ الصَّلَاةِ فِی الْحَرَمَیْنِ و في الکوفه وَ عِنْدَ قَبْرِ الْحُسَیْنِ قَالَ أَتِمَّ الصَّلَاةَ فِیهِمْ.

📚 Kamal al-Ziyarat, p. 251

Amr ibn Marzuq narrates: I asked Imam Abu al-Hasan (peace be upon him) about praying in the sanctuaries of Mecca and Medina, in Kufa, and by the grave of Hussein (peace be upon him). The Imam replied, 'Pray complete prayers in those places.'

1⃣1⃣عَنْ مَنْصُورِ بْنِ الْعَبَّاسِ یَرَفَعَهُ إِلَی أَبِی عَبْدِ اللَّهِ قَالَ: حَریم قبر الْحُسَیْنِ علیه السلام خَمْسُةُ فَرَاسِخَ مِنْ أَرْبَعِ جَوَانِبِهِ.

📚 Al-Tahzib, vol. 6, p. 71

Imam Sadiq (peace be upon him) said: 'The sanctity of the grave of Hussein (peace be upon him) extends five Farsakhs from all sides.'

2⃣1⃣عَنْ مُحَمَّدِ بْنِ إِسْمَاعِیلَ الْبَصْرِیِّ عَمَّنْ رَوَاهُ عَنْ أَبِی عَبْدِ اللَّهِ قَالَ: حَرَمُ الْحُسَیْنِ فَرْسَخٌ فِی فَرْسَخٍ مِنْ أَرْبَعِ جَوَانِبِ الْقَبْرِ.

📚 Al-Tahzib, vol. 6, p. 71

Imam Sadiq (peace be upon him) said: 'The sanctuary of Imam Hussein (peace be upon him) is one Farsakh in every direction around the grave.'

3⃣1⃣وَ قَالَ علیه السلام حَرِیمُ قَبْرِ الْحُسَیْنِ علیه السلام خَمْسَةُ فَرَاسِخَ مِنْ أَرْبَعَةِ جَوَانِبِ الْقَبْرِ

📚 Al-Faqih, vol. 2, p. 362

Imam Sadiq (peace be upon him) said: 'The sanctity of the grave of Hussein (peace be upon him) extends five Farsakhs from all sides.'

4⃣1⃣عَنْ مُحَمَّدِ بْنِ إِسْمَاعِيلَ الْبَصْرِيِّ عَمَّنْ رَوَاهُ عَنْ أَبِي عَبْدِ اللَّهِ قَالَ حُرْمَةُ قَبْرِ الْحُسَيْنِ فَرْسَخٌ فِي فَرْسَخٍ مِنْ أَرْبَعَةِ جَوَانِبه

📚 Kamal al-Ziyarat, p. 271

Imam Sadiq (peace be upon him) said: 'The sanctity of the grave of Imam Hussein (peace be upon him) extends one Farsakh in every direction around the grave.'

5⃣1⃣عَنْ مَنْصُورِ بْنِ الْعَبَّاسِ يَرْفَعُهُ إِلَى أَبِي عَبْدِ اللَّهِ قَالَ حَرَمُ قَبْرِ الْحُسَيْنِ خَمْسُ فَرَاسِخَ مِنْ أَرْبَعَةِ جَوَانِبِ الْقَبْرِ

📚 Kamal al-Ziyarat, p. 273

Imam Sadiq (peace be upon him) said: 'The sanctity of the grave of Hussein (peace be upon him) extends five Farsakhs from all sides.'

6⃣1⃣عَنْ عَبْدِ اللَّهِ بْنِ عَبْدِ الرَّحْمَنِ الْبَصْرِيِّ عَنْ رَجُلٍ مِنْ أَهْلِ الْكُوفَةِ قَالَ قَالَ أَبُو عَبْدِ اللَّهِ حَرِيمُ قَبْرِ الْحُسَيْنِ فَرْسَخٌ فِي فَرْسَخٍ فِي فَرْسَخٍ فِي فَرْسَخٍ

📚 Kamal al-Ziyarat, p. 283

Imam Sadiq (peace be upon him) said: 'The sanctity of the grave of Hussein (peace be upon him) extends one Farsakh in every direction around the grave.'

اللَّهُمَّ صَلِّ عَلَی مُحَمَّدٍ وَ آلِ مُحَمَّدٍ وَ عَجِّلْ لِوَلِیِّکَ الْفَرَجَ وَ الْعَافِیَةَ وَ النَّصْر

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7⃣1⃣ عَنْ عَلِیِّ بْنِ أَبِی حَمْزَةَ قَالَ: سَأَلْتُ الْعَبْدَ الصَّالِحَ عَنْ زِیَارَةِ قَبْرِ الْحُسَیْن فَقَالَ مَا أُحِبُّ لَکَ تَرْکَهُ قُلْتُ وَ مَا تَرَی فِی الصَّلَاةِ عِنْدَهُ وَ أَنَا مُقَصِّرٌ قَالَ صَلِّ فِی الْمَسْجِدِ الْحَرَامِ مَا شِئْتَ تَطَوُّعاً وَ فِی مَسْجِدِ الرَّسُولِ مَا شِئْتَ تَطَوُّعاً وَ عِنْدَ قَبْرِ الْحُسَیْنِ فَإِنِّی أُحِبُّ ذَلِکَ قَالَ وَ سَأَلْتُهُ عَنِ الصَّلَاةِ بِالنَّهَارِ عِنْدَ قَبْرِ الْحُسَیْنِ وَ مَشَاهِدِ النَّبِیِّ وَ الْحَرَمَیْنِ تَطَوُّعاً وَ نَحْنُ نَقْصُرُ فَقَالَ نَعَمْ مَا قَدَرْتَ عَلَیْه

📚 Kamal al-Ziyarat, p. 246

Ali ibn Abi Hamzah reported: 'I asked Imam Kazim (peace be upon him) about visiting the grave of Imam Hussein (peace be upon him). He said: I dislike you abandoning it.'

I said: What is your opinion about offering non-obligatory prayers near him while my prayers are broken? He said: Yes, offer any non-obligatory prayers near his grave while your prayers are broken, for I like it.'

He also said: 'And from Imam Sadiq (peace be upon him) about offering non-obligatory prayers near the grave of Imam Hussein (peace be upon him) and in the precincts of the Prophet (peace be upon him and his family), Mecca, and Medina, while my prayers are broken. He said: Yes, as much as you can.'

8⃣1⃣ عَنِ ابْنِ أَبِی عُمَیْرٍ عَنْ أَبِی الْحَسَنِ قَالَ: سَأَلْتُهُ عَنِ التَّطَوُّعِ عِنْدَ قَبْرِ الْحُسَیْنِ وَ بِمَکَّةَ وَ الْمَدِینَةِ وَ أَنَا مُقَصِّرٌ فَقَالَ تَطَوَّعْ عِنْدَهُ وَ أَنْتَ مُقَصِّرٌ مَا شِئْتَ وَ فِی الْمَسْجِدِ الْحَرَامِ وَ فِی مَسْجِدِ الرَّسُولِ وَ فِی مَشَاهِدِ النَّبِیِّ فَإِنَّهُ خَیْرٌ.

📚 Kamal al-Ziyarat, p. 247

Ibn Abi Umayr reported: 'I asked Imam Kazim (peace be upon him) about offering voluntary prayers near the grave of Hussein (peace be upon him), in Mecca, and in Medina while reciting them brokenly. The Imam replied: While reciting them brokenly, offer whatever voluntary prayers you desire near his grave, as well as in Masjid al-Haram, Masjid al-Rasul, and in the vicinity of the Prophet (peace be upon him) because this act is good.'

9⃣1⃣عَنْ إِسْحَاقَ بْنِ عَمَّارٍ قَالَ: قُلْتُ لِأَبِی الْحَسَنِ أَتَنَفَّلُ فِی الْحَرَمَیْنِ وَ عِنْدَ قَبْرِ الْحُسَیْنِ وَ أَنَا أَقْصُرُ قَالَ نَعَمْ مَا قَدَرْتَ عَلَیْهِ.

📚 Kamil al-Ziyarat, p. 247

Ishaq ibn Ammar reported: 'I asked Imam Kazim (peace be upon him): Can I offer non-obligatory prayers near the grave of Imam Hussein (peace be upon him), in Mecca, Medina, while my prayers are broken? He said: Yes, as much as you can.'

In light of the above narrations and others, one of the four places where a traveling individual can and is preferable to perform the obligatory prayers in full, and any recommended (voluntary) prayers as desired, both day and night, is by the grave of Imam Hussein (peace be upon him). The specific area is defined by expressions such as 'near the grave of Hussein,' 'the sanctuary of Hussein ibn Ali,' 'in his presence,' 'the vicinity of Hussein,' including a low-lying area with elevated surroundings where the grave of Imam Hussein (peace be upon him) is located, and so on.

In accordance with the narrations numbered 11, 21, 31, 41, 51, 61, etc., as reported by esteemed Shia scholars such as Ibn Qulawayh, Sheikh Saduq, Sheikh Tusi, etc., the boundary of the sanctuary and precinct of the grave extends up to five farsakhs from all four sides of the tomb. Despite this extensive coverage mentioned in these narrations, the pilgrim to Imam Hussein (peace be upon him) is permitted to perform their prayers within this defined area surrounding the holy grave, and even the concession to offer prayers brokenly is allowed for the traveling pilgrim, even in close proximity to the grave.

اللَّهُمَّ صَلِّ عَلَی مُحَمَّدٍ وَ آلِ مُحَمَّدٍ

وَ عَجِّلْ لِوَلِیِّکَ الْفَرَجَ وَ الْعَافِیَةَ وَ النَّصْر

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