This is the flag of The Republic of Colombia. It is formed by three connecting parallel horizontal rectangles of yellow, blue, and red from top to bottom. The yellow part occupies half of the flag surface, and the blue and red each occupy 1/4 of the flag surface. It is displayed as CO on some platforms. It generally means Colombia, or within Colombia, and its capital is Bogotá.
🇨🇴 is the Emoji of a country/region‘s flag, and its meaning is flag: Colombia. The Emoji 🇨🇴 is composed of two regional indicator letters, namely 🇨 and 🇴. The country/region's 2-letter code for Colombia is CO, so the letters corresponding to the two region indicator letters are C and O. 🇨🇴 is displayed as a whole flag on most platforms and as a two-letter symbol on a few platforms.