1990 NBA Imperialism Map

Territory Changes

Team Territory Control

This table shows all teams sorted by the number of territories they control.

Final standings: the Detroit Pistons finished on top with 27 of 27 territories (100.0%).

Team Territories Controlled
Detroit Pistons 27 (100.0%)

Play with the NBA Map

Simulate your own territory battles: spin the wheel, input results, and see what happens.

Imperialism Map is proudly sponsored by another of my projects:

Territory Creator


Sales territory management software

Because not all territorial conquests happen on the field.

Territory Mapping Software

How NBA Territory Conquest Works

  • Every team starts with the land closest to its arena.
  • Win a game and you take all of the loser's territory.
  • Territory carries over all season, with no resets until next year.
  • Click any territory to trace every team that held it.

Full Rules and FAQ

Data sources: Game data from Sports Reference; venue data from VenueStats .

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Season Records

The standout territory feats of the season.

Biggest Land Grab
+27
in a single day (1990-02-15)
Longest Reign
19
straight days as leader
Most Conquered
199
territories taken all season
Biggest Collapse
−27
lost in one day (1990-02-17)

Team Directory

Each team's season at a glance — days spent leading the map, largest empire, territory conquered, and the rise-and-fall sparkline. Sorted by who dominated.

The Palace of Auburn Hills

30 days led peak 27 +199 taken

Madison Square Garden

22 days led peak 27 +175 taken

The Spectrum

22 days led peak 27 +62 taken

Climate Pledge Arena

15 days led peak 20 +40 taken

Boston Garden

12 days led peak 27 +78 taken

Chicago Stadium

12 days led peak 27 +136 taken

McNichols Sports Arena

9 days led peak 20 +33 taken

Reunion Arena

8 days led peak 27 +81 taken

Great Western Forum

8 days led peak 27 +48 taken

Miami Arena

8 days led peak 27 +52 taken

Salt Palace

8 days led peak 27 +35 taken

Bradley Center

7 days led peak 13 +24 taken

The Summit

6 days led peak 27 +89 taken

Market Square Arena

6 days led peak 27 +55 taken

HemisFair Arena

6 days led peak 27 +35 taken

Orlando Arena

2 days led peak 16 +19 taken

Memorial Coliseum

1 day led peak 27 +42 taken

Omni Coliseum

1 day led peak 13 +13 taken

Brendan Byrne Arena

0 days led peak 4 +6 taken

Richfield Coliseum

0 days led peak 4 +8 taken

Capital Centre

0 days led peak 3 +4 taken

ARCO Arena

0 days led peak 2 +2 taken

Charlotte Coliseum

0 days led peak 1 +0 taken

Explore NBA Through the Years

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