The following is a map of the birth places of the founders of the 4 schools of thought and the compilers of the 6 major books of Hadith:
Imam Abu Hanifah – Kufa, Iraq (80-148 AH)
Imam Malik – Madinah, Saudi Arabia (93-179 AH)
Imam Ash Shafi’i – Gaza, Palestine (150-204 AH)
Imam Ahmad ibn Hanbal – Baghdad, Iraq (164-241 AH)
Imam Bukhari – Bukhara, Uzbekistan (194-256 AH)
Imam Abu Dawud – Sistan, Iran/Afghanistan (202-275 AH)
Imam Muslim – Neyshabur, Iran (204-261 AH)
Imam ibn Majah – Qazwin, Iran (209-273 AH)
Imam At Tirmidhi – Termiz, Uzbekistan (209-279 AH)
Imam An Nasai – Nasa, Turkmenistan (215-303 AH)