City of Tea Tree Gully

City of Tea Tree Gully
CountryAustralia
StateSouth Australia
RegionNorthern Adelaide
Established1858
Council seatModbury
Government
 • MayorMarijka Ryan
 • State electorate
 • Federal division
Area
 • Total
95.21 km2 (36.76 sq mi)
Population
 • Total101,174 (LGA 2021)
 • Density1,062,64/km2 (275,220/sq mi)
WebsiteCity of Tea Tree Gully
LGAs around City of Tea Tree Gully
City of Playford City of Playford City of Playford
City of Salisbury City of Tea Tree Gully Adelaide Hills Council
City of Port Adelaide Enfield City of Campbelltown Adelaide Hills Council

The City of Tea Tree Gully is a local council in the Australian state of South Australia, in the outer north-eastern suburbs of Adelaide. The major business district in the city is at Modbury, where Westfield Tea Tree Plaza, Modbury Hospital, the Civic Centre and the library are located.

Howard, Lord Florey, Australian pathologist and co-discoverer of penicillin, was a resident of the City of Tea Tree Gully.