It's masculine. You say "un pays".
The correct spelling of the country is "Colombia" with an 'o', not a 'u'.
In Africa, most country names remain the same for both masculine and feminine uses. For example, "Egypt" is "Egypt" for both masculine and feminine contexts. However, some languages may have specific gender distinctions for country names in Africa, such as in French where "Ivory Coast" is "Côte d'Ivoire" (feminine) and "Sudan" is "Soudan" (masculine).
The Spanish-speaking country east of Colombia is Venezuela.
Wales is called "le Pays de Galles" in French. This is a masculine noun.
The word "comédies" is feminine in French.
Priestess
La Colombie est feminin.
You'll need to be more specific. The District of Columbia is in the US. Columbia Missouri and Columbia SC are in the US. Columbia University and Columbia College are in the US. Colombia (note the spelling) the country is not in the US.
British Columbia is a province of Canada, not a country.
Columbia Country Classics was created in 1990.
The country where the Columbia Center is found is the US.
Columbia is a country in the South American continent.
Panama , once part of Columbia, is the country.
In French the country Mali is masculine.
Columbia became an independent country in 1810.
ruler (for measuring) is feminine ruler (of country) is masculine