Country is the usual word for talking about a large area of land with recognized political borders, like Italy, Mexico, or Japan: Brazil is a big country. ♦ the countries of Europe. ♦ Most of the country will have rain tomorrow.
Land can mean the same as country, but it is often a literary word. Native land is sometimes used to describe the country someone belongs to: She longed to return to her native land.
People call a place a land when they want to be mysterious or to sound emotional or old-fashioned: It is the land of my ancestors. ♦ My story begins in a land far, far away.