Blank map of Laos, Cambodia, Thailand and Vietnam. Geographic limits of the map:
N: 23°5'N
S: 5°5'N
W: 97°0'E
E: 111°0'E
Equidistant Cylindrical projection; WGS 84 datum
Own work

Source of data:Topography: SRTM (public domain);
Coastline, borders and water: Natural Earth
Tool:The map is created with Octave scripts developed by Ikonact
Ikonact