What are the most popular multi-player maps?

Solution 1:

When playing ladder, you are exposed to all maps in the 'map pool'. If you want to practice games on maps you'll play in the ladder, practice with the maps listed below. However, there are a few maps that are significantly more popular than the others and often played in custom games and tournaments:

Lost Temple, Metalopolis, Xel'Naga Caverns, Scrap Station, and Steppes of War are very popular for 1vs1 games.

Battle.net Map Pool.

1v1

Blistering Sands (2) Jungle Basin (2) Scrap Station (2) Steppes of War (2) Xel'Naga Caverns (2) Shakuras Plateau (4) Lost Temple (4) Metalopolis (4) Delta Quadrant (4)

2v2

Arid Wastes (4) Discord IV (4) Monlyth Ridge (4) Scorched Haven (4) Twilight Fortress (4) Tarsonis Assault (4) Tempest (8) High Orbit (4) War Zone (4)

3v3

Arakan Citadel (6) Colony 426 (6) Dig Site (6) Frontier (6) Monsoon (6) Quicksand (6) The Bio Lab (6) Ulaan Deeps (6) Typhon (6)

4v4

Extinction (8) High Ground (8) Lava Flow (8) Megaton (8) Outpost (8) Sand Canyon (8) Toxic Slums (8)

FFA

Kulas Ravine (4) Lost Temple (4) Metalopolis (4) Tectonic Rift (6) Quicksand (6) Abyss (8)

Solution 2:

Map popularity should be some what different dependent on your opponents race.

Certain maps favor certain races more then others. You can use this information to veto out maps that are weak to the race play. You can also study them to better understand what makes them weak and adjust your play style when you play on those maps.

Also if you meant popular Custom Maps they can be found here: http://www.sc2mapster.com/popularity/