21st meridian east

The meridian 21° east of Greenwich is a line of longitude that extends from the North Pole across the Arctic Ocean, the Atlantic Ocean, Europe, Africa, the Indian Ocean, the Southern Ocean, and Antarctica to the South Pole.

The 21st meridian east forms a great circle with the 159th meridian west.

Part of Namibia's border with Botswana is defined by the meridian.

From Pole to Pole
Starting at the North Pole and heading south to the South Pole, the 21st meridian east passes through:


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! scope="col" width="125" | Co-ordinates ! scope="col" | Country, territory or sea ! scope="col" | Notes ! scope="row" style="background:#b0e0e6;" | Arctic Ocean ! scope="row" | 🇳🇴 ! scope="row" style="background:#b0e0e6;" | Arctic Ocean ! scope="row" | 🇳🇴 ! scope="row" style="background:#b0e0e6;" | Barents Sea ! scope="row" | 🇳🇴 ! scope="row" style="background:#b0e0e6;" | Barents Sea ! scope="row" | 🇳🇴 ! scope="row" style="background:#b0e0e6;" | Barents Sea ! scope="row" style="background:#b0e0e6;" | Atlantic Ocean ! scope="row" | 🇳🇴 ! scope="row" | 🇫🇮 ! scope="row" | 🇸🇪 ! scope="row" style="background:#b0e0e6;" | Baltic Sea ! scope="row" | 🇦🇽 ! scope="row" style="background:#b0e0e6;" | Baltic Sea ! scope="row" | 🇱🇻 ! scope="row" style="background:#b0e0e6;" | Baltic Sea ! scope="row" | 🇱🇹 ! scope="row" style="background:#b0e0e6;" | Curonian Lagoon ! scope="row" | 🇷🇺 ! scope="row" | 🇵🇱 ! scope="row" | 🇸🇰 ! scope="row" | 🇭🇺 ! scope="row" | 🇷🇴 ! scope="row" | 🇷🇸 ! scope="row" | Kosovo or 🇷🇸 ! scope="row" | ! scope="row" style="background:#b0e0e6;" | Lake Prespa ! scope="row" | 🇬🇷 ! scope="row" | 🇦🇱 ! scope="row" | 🇬🇷 ! scope="row" style="background:#b0e0e6;" | Mediterranean Sea ! scope="row" | 🇬🇷 ! scope="row" style="background:#b0e0e6;" | Mediterranean Sea ! scope="row" | 🇱🇾 ! scope="row" | 🇹🇩 ! scope="row" | 🇨🇫 ! scope="row" | 🇨🇩 ! scope="row" | ! scope="row" | 🇳🇦 ! scope="row" | 🇳🇦 / 🇧🇼 border ! scope="row" | 🇧🇼 ! scope="row" | 🇿🇦 ! scope="row" style="background:#b0e0e6;" | Indian Ocean ! scope="row" style="background:#b0e0e6;" | Southern Ocean ! scope="row" | Antarctica
 * style="background:#b0e0e6;" | 90°N, 21°W
 * style="background:#b0e0e6;" | 90°N, 21°W
 * style="background:#b0e0e6;" |
 * 80.71667°N, 21°W
 * 80.71667°N, 21°W
 * Svalbard - island of Tavleøya
 * style="background:#b0e0e6;" | 80.7°N, 21°W
 * style="background:#b0e0e6;" | 80.7°N, 21°W
 * style="background:#b0e0e6;" |
 * 80.21667°N, 21°W
 * 80.21667°N, 21°W
 * Svalbard - island of Nordaustlandet
 * style="background:#b0e0e6;" | 79.35°N, 21°W
 * style="background:#b0e0e6;" | 79.35°N, 21°W
 * style="background:#b0e0e6;" |
 * -valign="top"
 * 79.03333°N, 21°W
 * Svalbard - islands of Bastian Insel, Spitsbergen, Barentsøya and Edgeøya
 * style="background:#b0e0e6;" | 78.03333°N, 21°W
 * style="background:#b0e0e6;" | 78.03333°N, 21°W
 * style="background:#b0e0e6;" |
 * 77.58333°N, 21°W
 * 77.58333°N, 21°W
 * Svalbard - island of Edgeøya
 * style="background:#b0e0e6;" | 77.45°N, 21°W
 * style="background:#b0e0e6;" | 77.45°N, 21°W
 * style="background:#b0e0e6;" |
 * style="background:#b0e0e6;" | 73.4°N, 21°W
 * style="background:#b0e0e6;" | 73.4°N, 21°W
 * style="background:#b0e0e6;" | Norwegian Sea
 * 70.05°N, 21°W
 * 70.05°N, 21°W
 * Islands of Skjervøya, Kågen and the mainland
 * 69.05°N, 21°W
 * 69.05°N, 21°W
 * 68.88333°N, 21°W
 * 68.88333°N, 21°W
 * 68.88333°N, 21°W
 * -valign="top"
 * style="background:#b0e0e6;" | 64.15°N, 21°W
 * style="background:#b0e0e6;" | 64.15°N, 21°W
 * style="background:#b0e0e6;" | Gulf of Bothnia, passing just east of the Holmöarna islands, 🇸🇪 and passing just west of the island of Replot and the mainland, 🇫🇮
 * 60.65°N, 21°W
 * 60.65°N, 21°W
 * Numerous islands
 * style="background:#b0e0e6;" | 59.91667°N, 21°W
 * style="background:#b0e0e6;" | 59.91667°N, 21°W
 * style="background:#b0e0e6;" |
 * 56.5°N, 21°W
 * 56.5°N, 21°W
 * Passing through Liepāja
 * style="background:#b0e0e6;" | 56.2°N, 21°W
 * style="background:#b0e0e6;" | 56.2°N, 21°W
 * style="background:#b0e0e6;" |
 * 55.33333°N, 21°W
 * 55.33333°N, 21°W
 * Curonian Spit
 * style="background:#b0e0e6;" | 55.28333°N, 21°W
 * style="background:#b0e0e6;" | 55.28333°N, 21°W
 * style="background:#b0e0e6;" |
 * 54.9°N, 21°W
 * 54.9°N, 21°W
 * Kaliningrad Oblast (exclave)
 * 54.35°N, 21°W
 * 54.35°N, 21°W
 * Passing through Warsaw
 * 49.33333°N, 21°W
 * 49.33333°N, 21°W
 * 48.51667°N, 21°W
 * 48.51667°N, 21°W
 * 48.51667°N, 21°W
 * 46.26667°N, 21°W
 * 46.26667°N, 21°W
 * 46.26667°N, 21°W
 * 45.35°N, 21°W
 * 45.35°N, 21°W
 * 45.35°N, 21°W
 * passing near cities of Smederevo and Kragujevac, passing through Trstenik
 * -valign="top"
 * 43.11667°N, 21°W
 * Kosovo is a partially recognised state. Some nations consider its territory to be part of Serbia.
 * 42.13333°N, 21°W
 * 42.13333°N, 21°W
 * style="background:#b0e0e6;" | 41.01667°N, 21°W
 * style="background:#b0e0e6;" | 41.01667°N, 21°W
 * style="background:#b0e0e6;" | 41.01667°N, 21°W
 * style="background:#b0e0e6;" |
 * 40.81667°N, 21°W
 * 40.81667°N, 21°W
 * For about 8 km
 * 40.73333°N, 21°W
 * 40.73333°N, 21°W
 * 40.53333°N, 21°W
 * 40.53333°N, 21°W
 * 40.53333°N, 21°W
 * Passing through the Ambracian Gulf
 * style="background:#b0e0e6;" | 38.63333°N, 21°W
 * style="background:#b0e0e6;" | 38.63333°N, 21°W
 * style="background:#b0e0e6;" | Ionian Sea, passing just east of the island of Zakynthos
 * 37.26667°N, 21°W
 * 37.26667°N, 21°W
 * Strofades islands
 * style="background:#b0e0e6;" | 37.25°N, 21°W
 * style="background:#b0e0e6;" | 37.25°N, 21°W
 * style="background:#b0e0e6;" |
 * 32.73333°N, 21°W
 * 32.73333°N, 21°W
 * 21.05°N, 21°W
 * 21.05°N, 21°W
 * 21.05°N, 21°W
 * 9.73333°N, 21°W
 * 9.73333°N, 21°W
 * 9.73333°N, 21°W
 * -valign="top"
 * 4.41667°N, 21°W
 * 4.41667°N, 21°W
 * -7.28333°N, 21°W
 * -7.28333°N, 21°W
 * -7.28333°N, 21°W
 * -17.95°N, 21°W
 * -17.95°N, 21°W
 * -17.95°N, 21°W
 * -18.31667°N, 21°W
 * -18.31667°N, 21°W
 * -18.31667°N, 21°W
 * -22°N, 21°W
 * -22°N, 21°W
 * -22°N, 21°W
 * -valign="top"
 * -26.83333°N, 21°W
 * -26.83333°N, 21°W
 * Northern Cape Western Cape
 * style="background:#b0e0e6;" | -34.36667°N, 21°W
 * style="background:#b0e0e6;" | -34.36667°N, 21°W
 * style="background:#b0e0e6;" |
 * style="background:#b0e0e6;" | -60°N, 21°W
 * style="background:#b0e0e6;" | -60°N, 21°W
 * style="background:#b0e0e6;" |
 * -69.98333°N, 21°W
 * -69.98333°N, 21°W
 * Queen Maud Land, claimed by 🇳🇴
 * }
 * }