Katoa is a sub-prefecture of Mayo-Kebbi Est Region Chad. This place is situated in Bongor, Mayo-Kebbi, Chad, its geographical coordinates are 10° 51' 0" North, 15° 5' 43" East and its original name (with diacritics) is Katoa.

10°50′N 15°05′E/10.833°N 15.083°E/ 10.833; 15.083