The capital of Oman is Muscat, which was founded 19th century. Muscat has been the capital since 1793.
Muscat is the largest city in Oman and functions as: Houses the Parliament.
Muscat is located at 23.5859° N, 58.4059° E, at an elevation of 59' ft.
Source: https://flic.kr/p/TpojM1