Rayong Town or Mueang Rayong is the capital district (Amphoe Mueang) of Rayong Province, eastern Thailand.
Neighboring districts are Ban Chang, Nikhom Phatthana, Ban Khai, Wang Chan and Klaeng. To the south is the Gulf of Thailand.
Khao Laem Ya - Mu Koh Samet National Park is located in Mueang Rayong district.
The district is subdivided into 15 subdistricts (tambon), which are further subdivided into 83 villages (muban). Rayong is a city (thesaban nakhon) which covers the tambon Tha Pradu and Pak Nam and parts of tambon Choeng Noen and Noen Phra. The town (thesaban mueang) Map Ta Phut covers the whole tambon Map Ta Phut and Huai Pong, parts of Noen Phra and Thap Ma and also parts of tambon Mapkha of neighboring Nikhom Phatthana district. There are further two townships (thesaban tambon) - Klaeng Kachet covers parts of the tambon Klaeng and Kachet, and Ban Phe parts of tambon Phe.
The city of Rayong is located along Highway No. 36, about 180 kilometers from Bangkok. Although Rayong's best known attractions are undoubtedly the beautiful islands off its serene beaches, some of its best kept secrets are located just a few kilometers away from the heart of the city. From fresh seafood and impressive temples to a state-of-the-art bowling alley and club, the city of Rayong has plenty of things to do for everybody.