Mexico, officially the United Mexican States, is a country in the southern portion of North America. It is bordered to the north by the United States; to the south and west by the Pacific Ocean; to the southeast by Guatemala, Belize, and the Caribbean Sea; and to the east by the Gulf of Mexico. Mexico covers 1,972,550 square kilometers (761,610 sq mi) and has approximately 128,649,565 inhabitants, making it the world's 13th-largest country by area, 10th-most-populous country, and most populous Spanish-speaking nation. It is a federation comprising 31 states and Mexico City, its capital city and largest metropolis.

Ukraine is a country in Eastern Europe. It is bordered by Russia to the east and north-east; Belarus to the north; Poland, Slovakia and Hungary to the west; and Romania, Moldova, and the Black Sea to the south. Ukraine also borders Crimea to its south, which Russia annexed from Ukraine in 2014, though Ukraine still continues to claim the territory.