1. Atlantic Ocean
   Indian Ocean
2. Arabian Sea
   Pacific Ocean

Mauritius sits in the Atlantic Ocean, 1700 miles from Africa.

1. Red Sea
   Sea of Galilee
2. Mediterranean Sea
   River Jordan

The Sea of Galilee is a much-contested body of water that provides a lot of freshwater in a place where such water is at a premium. That is why it is so valuable.

1. English Channel
   Irish Sea
2. Baltic Sea
   North Sea

The North Sea is the English language name for this sea, as it is north of Britain and of Europe.

1. Black Sea
   Yellow Sea
2. Red Sea
   Aral Sea

The Black Sea is surrounded by land, instead of connecting to other seas or oceans. It is a stormy sea that is hard to navigate - but it does connect to other waterways via the Bosphorus Strait.

1. Black Sea
   Caspian Sea
2. Okhotsk Sea
   Arabian Sea

The Romans called this a sea, not a lake, because it is salty, even though it is an inland sea.

1. Indian Ocean
   Java Sea
2. Celebes Sea
   Andaman Sea

The Andaman Sea is between Thailand and India.

1. Red Sea
   Persian Gulf
2. Indian Ocean
   Gulf of Oman

The Persian Gulf is named for Iran's former name, Persia.

1. Persian Gulf
   Red Sea
2. Arabian Sea
   Gulf of Aden

Sudan is actually north of the Horn of Africa, opening onto the Red Sea, where it has valuable ports.

1. Atlantic Ocean
   Lake Victoria
2. Indian Ocean
   Mozambique Channel

Uganda sits on Lake Victoria, which is an inland freshwater lake with a particularly excellent waterfall.

1. Hudson Bay
   Baffin Bay
2. Arctic Ocean
   Beaufort Sea

Baffin Bay, Hudson Bay, and Beaufort Sea are all north of parts of Canada, but only the Arctic Ocean is north of all of it.

1. Lake Malawi
   Mozambique Channel
2. Indian Ocean
   River Congo

Lake Malawi is 360 miles long and 46 miles long.

1. Pacific Ocean
   Indian Ocean
2. Atlantic Ocean
   Great Southern Ocean

Namibia borders South Africa to the south, meaning that it is on the western side of Africa facing the Atlantic Ocean.

1. Great Australian Bight
   Tasman Sea
2. Antarctic Ocean
   Austral Ocean

A bight is an open bay, and Australia has an absolutely massive one just off its south coast.

1. Austral Ocean
   Indian Ocean
2. Coral Sea
   Tasman Sea

The Tasman sea is south of Tasmania, which is an island area that is part of Australia.

1. South China Sea
   Yellow Sea
2. Sea of Japan
   Philippine Sea

The Yellow Sea is named for the sand of the Gobi Desert that blows into the water and turns it somewhat golden.

1. Okhotsk Sea
   Sea of Japan
2. Philippine Sea
   East China Sea

The Okhotsk Sea is off the coast of northeastern Russia.

1. River Rhine
   River Elba
2. River Neva
   River Danube

The Rhine separates France and Germany and as a result, part of Germany is named the Rhinelands.

1. Lake Geneva
   Lake Leman
2. Lake Constance
   Lake Como

Lake Constance is divided into the Obersee and Untersee, and separates these three nations where they all meet.

1. Straits of Gibraltar
   Strait of Hormuz
2. Bering Strait
   Sunda Strait

The Bering Strait used to be so iced-up that you could travel from Russia to America. Sadly due to climate change, the Bering Sea which the Strait leads into is now almost free of ice, jeopardizing habitats and communities.

1. Argentine Sea
   Great Southern Ocean
2. Atlantic Ocean
   Antarctic Ocean

The Falkland Islands are in the middle of the Atlantic Ocean, off the coast of Argentina. They are valuable due to lots of minerals in their waters.

1. Sea of Chile
   Sea of Peru
2. Pacific Ocean
   Great Southern Ocean

Chile has sovereignty over Easter Island, though it is 2,000 miles away.

1. Coral Sea
   Java Sea
2. Andaman Sea
   Flores Sea

The Java Sea is in the middle of a large cluster of Indonesia's biggest islands, and is very beautiful.

1. Amazon River
   Caribbean Sea
2. Atlantic Ocean
   Sargasso Sea

The Atlantic appears again! Brazil is on the northeast of South America.

1. Iguazu River
   Amazon River
2. Arauca River
   Orinoco River

The Amazon River flows through six countries but is not always a border for all of them.

1. Lake Rukwa
   Limpopo River
2. River Nile
   Lake Tanganyika

The Limpopo separates these two nations and is 1750 miles long.

1. Ardila River
   Lauter River
2. Drina River
   Drava River

The Ardila doesn't cover the whole border, but it does run along a large portion of it.

1. North Sea
   English Channel
2. Irish Sea
   Gulf of Bothnia

The Isle of Man is a semi-independent Crown Dependency in the Irish Sea, halfway between Great Britain and Ireland.

1. Baltic Sea
   Tana River
2. North Sea
   Norwegian Sea

The Tana River's name means Great River in Sámi, a native language.

1. Gulf of Riga
   Baltic Sea
2. Gulf of Finland
   All of the above

Estonia is sandwiched between Russia and the Baltic Sea, facing Finland and Sweden across the Baltic Sea.

1. Aegean Sea
   Adriatic Sea
2. Straits of Gibraltar
   Mediterranean Sea

The Aegean is very important to trade due to its connections through to the Black Sea. A lot of oil goes through there, as well as other things.

1. Indian Ocean
   Arabian Sea
2. Bay of Bengal
   Sea of Japan

The Bay of Bengal separates India and Myanmar, and opens into the Indian Ocean.

1. Coral Sea
   Timor Sea
2. Banda Sea
   Arafura Sea

The Timor Sea is south of East Timor, which is one of the world's newest and youngest nations.

1. Gulf of Mexico
   Atlantic Ocean
2. Caribbean Sea
   Sargasso Sea

The Caribbean Sea has a whole lot of very lovely islands in it, and connects the Gulf of Mexico to the Atlantic Ocean.

1. Java Sea
   Coral Sea
2. Sulu Sea
   Celebes Sea

The Sulu Sea opens onto the Celebes Sea. They frame the south and southwestern borders of the Philippines.

1. Sargasso Sea
   Trick question, the Atlantic is an ocean, not a sea!
2. Caribbean Sea
   Florida Sea

The Sargasso Sea is a part of the Atlantic Ocean but it has its own currents. It's known as The Doldrums because if you float into it, you can get becalmed. It is the only sea whose outer borders are all water - but Bermuda is in it!