Flores is the capital of the Petén department of Guatemala. It is located at 16°54′N 89°54′W. The population is 13,700 (2003).
Flores is also the seat of the municipality of Flores (population 22,600).
The old part of the city is located on an island on Lake Peten Itza, connected to the mainland by a short causeway. On the mainland is the suburb Santa Elena and, to the West, a contiguous municipality San Benito.
In Pre-Columbian times, Flores was the Maya city of Nojpetén