The capital of Cambodia is Phnom Penh, which was founded 1434. Phnom Penh has been the capital since 1865.
Phnom Penh is the largest city in Cambodia and functions as: Houses Peace Palace (Prime Minister's Office).
Phnom Penh is located at 1.5564° N, 104.9282° E, at an elevation of 39′ ft.
Source: https://flic.kr/p/cAS55q