"🇳🇮🇭" represents the flag of Nicaragua, a country located in Central America. It consists of three horizontal stripes: the top stripe is blue, representing the Pacific Ocean and Caribbean Sea; the middle stripe is white, symbolizing purity and peace; and the bottom stripe is blue again, signifying the lakes and rivers of Nicaragua. The "Nih" mentioned could be a reference to the abbreviation for Nicaragua's official language, which is Spanish ("NIH" stands for "Nicaragua, Hispana").