Colombia is a municipality and town in the Las Tunas Province of Cuba. It is located in the western part of the province, 10 kilometres south of …Colombia is a municipality and town in the Las Tunas Province of Cuba. It is located in the western part of the province, 10 kilometres south of Guáimaro. Río Tana flows through the community. In 2022, the municipality of Colombia had a population of 31,482. With a total area of 563 km², it has a population density of 56/km².