Guyana, a country on South America’s North Atlantic coast, is defined by its dense rainforest. English-speaking, with cricket and calypso music, it’s culturally connected to the Caribbean region. Its capital, Georgetown, is known for British colonial architecture, including tall, painted-timber St. George’s Anglican Cathedral.Georgetown is Guyana’s capital, on South America’s North Atlantic coast. The city is culturally connected to the English-speaking Caribbean region and home to British colonial architecture. Guyana is the only South American nation in which English is the official language,English is the official language and is used for education, government, media, and services.