The capital of Yemen is Sana'a, which was founded 1st century. Sana'a has been the capital since 1962.
Sana'a is the largest city in Yemen and functions as: Center of the Governorate.
Sana'a is located at 15.3694, 44.1910, at an elevation of 7382 ft.
Source: https://flic.kr/p/86o71i