 | This page documents an English Wikipedia project content guideline. Editors should generally follow it, though exceptions may apply. Substantive edits to this page should reflect consensus. When in doubt, discuss first on this guideline's talk page. |
 | This guideline in a nutshell: Project pages are for information or discussion about Wikipedia. They should be used to allow Wikipedians to better participate in the community, and not used to excess for unrelated purposes nor to bring the project into disrepute. |
| Namespaces | |||
|---|---|---|---|
| Subject namespaces | Talk namespaces | ||
| 0 | (Main/Article) | Talk | 1 |
| 2 | User | User talk | 3 |
| 4 | Wikipedia | Wikipedia talk | 5 |
| 6 | File | File talk | 7 |
| 8 | MediaWiki | MediaWiki talk | 9 |
| 10 | Template | Template talk | 11 |
| 12 | Help | Help talk | 13 |
| 14 | Category | Category talk | 15 |
| 100 | Portal | Portal talk | 101 |
| 118 | Draft | Draft talk | 119 |
| 126 | MOS | MOS talk | 127 |
| 710 | TimedText | TimedText talk | 711 |
| 828 | Module | Module talk | 829 |
| Former namespaces | |||
| 108 | Book | Book talk | 109 |
| 442 | Course | Course talk | 443 |
| 444 | Institution | Institution talk | 445 |
| 446 | Education Program | Education Program talk | 447 |
| 2300 | Gadget | Gadget talk | 2301 |
| 2302 | Gadget definition | Gadget definition talk | 2303 |
| 2600 | Topic | 2601 | |
| Virtual namespaces | |||
| -1 | Special | ||
| -2 | Media | ||
| Current list | |||
The project namespace or Wikipedia namespace is a namespace consisting of administration pages with information or discussion about Wikipedia. Pages in this namespace will always have the prefix Wikipedia:. They can also be reached by alias WP: or the standard (for any MediaWiki site) prefix Project:. Its namespace number is four (4).