About Phnom Penh: Phnom Penh is the capital city of Cambodia. Even though many tourists and travelers treat this as a transit and transfer point, this city also has its own unique charm. The Royal Palace in Phnom Penh is full of beautiful splendor and richness of Khmer culture. The National Museum offers an opportunity to learn more about Cambodia's ancient history. For shopping, the Central Market and Russian Market are perfect to buy some souvenirs.