Village Koinbar of Majhiaon, Garhwa comes under state JHARKHAND. This is situated 15 kms far from city MAJHIAON. Total Population of Village is 591 and household count is 106. For Education Village has facility of Govt Primary, Private Primary, school.For higher education village also has .Village also has nearby education facility of .For health care village also has .Nearest water sources are Uncovered Well, Hand Pump.