title: Khao Chamao district
text: # Khao Chamao district
  
  Khao Chamao (Thai: เขาชะเมา, pronounced) is a district (amphoe) of Rayong province, eastern Thailand.
  
  ## History
  
  The minor district (king amphoe) was split off from Klaeng district on 31 May 1993.
  
  On 15 May 2007, all 81 minor districts were upgraded to full districts. With publication in the Royal Gazette on 24 August the upgrade became official.
  
  ## Geography
  
  Neighboring districts are (from the north clockwise) Bo Thong of Chonburi province, Kaeng Hang Maeo of Chanthaburi province, and Klaeng and Wang Chan of Rayong Province.
  
  ## Administration
  
  The district is divided into four sub-districts (tambons), which are further subdivided into 21 villages (mubans). There are no municipal (thesabans), but there are four tambon administrative organizations (TAO).
  
  | No. | Name | Thai name | Villages | Pop. |
  | - | - | - | - | - |
  | 1. | Nam Pen | น้ำเป็น | 7 | 7,025 |
  | 2. | Huai Thap Mon | ห้วยทับมอญ | 8 | 7,419 |
  | 3. | Cham Kho | ชำฆ้อ | 9 | 5,650 |
  | 4. | Khao Noi | เขาน้อย | 5 | 2,338 |
  