Where are you from? Where is he from?
Study geography in English with these options from National Geographic:
Go to National Geographic's World Atlas at http://maps.nationalgeographic.com/maps/atlas.
Choose the "Geopolitical" option to see countries and cities.
iPad or iPhone:
Search for the National Geographic World Atlas HD app. The price is 0.99 USD or probably about R$ 2,00.
Print National Geographic's My Wonderful World poster and put it in your house. Study it every day!