Turkistan

City · 401 CE · in Europe

Capital of Kazakh Khanate (1599–1729).

Soba (400–1504 CE): Capital of Alodia (600–1504).
Faras (c. 400–650 CE): Capital of Nobatia (400–650).
Zhangye (c. 397 CE): Capital of Northern Liang (397–439).
Ravenna (c. 395 CE): Capital of Western Roman Empire (395–476), Ostrogothic Kingdom (500–553).
Mediolanum (c. 395–402 CE): Capital of Western Roman Empire (395–402).
Braga (c. 414 CE): Capital of Kingdom of the Suebi (414–585), Kingdom of Galicia (911–1125).
Lanzhou (c. 387 CE): Capital of Western Qin (387–431).
Pingcheng District (c. 387 CE): Capital of Northern Wei (387–533).
Gyeongju (c. 378 CE): Capital of Silla (378–681), Unified Silla (682–892).
Jiankang (c. 426 CE): Capital of Liu Song Dynasty (426–479), Southern Qi (480–502), Chen Dynasty (561–589).

Around the same time and place

Silk Road (c. 130 BCE – c. 1450 CE): A network of overland caravan routes linking China with Central Asia, Persia and the Mediterranean, along which silk, spices, horses, religions, technologies and diseases travelled for more than 1,500 years.
Kushan Empire (c. 30–375 CE): Empire founded by Kujula Kadphises around 30 CE that united Bactria, Gandhara and northern India, linking Rome, Parthia and Han China through trade.
Sogdians (c. 500 BCE – c. 900 CE): Iranian people of the Zeravshan valley around Samarkand and Bukhara whose merchants dominated trade along the Silk Roads, especially between the 4th and 8th centuries.