Editing Gwinnett County, Georgia (section)

==Geography==
[[File:Elisha Winn House.JPG|thumb|alt=alt text|The [[Elisha Winn House]] served as Gwinnett County's first courthouse.]]
[[File:Gwinnett County Courthouse GA.jpg|thumb|upright|alt=alt text|The Historic Gwinnett County Courthouse (no longer used).]]

According to the [[U.S. Census Bureau]], the county has a total area of {{convert|437|sqmi}}, of which {{convert|430|sqmi}} is land and {{convert|6.4|sqmi}} (1.5%) is water.<ref name="GR1">{{cite web|url=https://www.census.gov/geographies/reference-files/time-series/geo/gazetteer-files.html|publisher=[[United States Census Bureau]]|access-date=April 23, 2011|date=February 12, 2011|title=US Gazetteer files: 2010, 2000, and 1990|archive-date=July 16, 2022|archive-url=https://web.archive.org/web/20220716004148/https://www.census.gov/geographies/reference-files/time-series/geo/gazetteer-files.html|url-status=live}}</ref> The county is located in the upper [[Piedmont (United States)|Piedmont]] region of the state.

It is located along the [[Eastern Continental Divide]]. A portion of the county to the northwest is a part of the [[Chattahoochee River National Recreation Area]] chain.

Allocation of water from the regional [[reservoir]], [[Lake Lanier]], at the extreme north of the county, has been subject to the [[Tri-state water dispute]].

The southern and central portions of Gwinnett County are located in the Upper [[Ocmulgee River]] sub-basin of the [[Altamaha River]] basin. Most of the county's northern edge, from south of [[Peachtree Corners, Georgia|Peachtree Corners]] to north of [[Buford, Georgia|Buford]], is located in the Upper [[Chattahoochee River]] sub-basin of the [[ACF River Basin]] (Apalachicola-Chattahoochee-Flint River Basin). The county's eastern edge, north and south of [[Dacula, Georgia|Dacula]], is located in the Upper [[Oconee River]] sub-basin of the same [[Altamaha River]] basin.<ref>{{cite web |url=http://www.gaswcc.org/maps/ |title=Georgia Soil and Water Conservation Commission Interactive Mapping Experience |publisher=Georgia Soil and Water Conservation Commission |access-date=November 18, 2015 |archive-date=October 3, 2018 |archive-url=https://web.archive.org/web/20181003004639/http://www.gaswcc.org/maps/ |url-status=live }}</ref>

===Adjacent counties===

{{div col}}
* [[Forsyth County, Georgia|Forsyth County]] – north
* [[Hall County, Georgia|Hall County]] – northeast
* [[Jackson County, Georgia|Jackson County]] – northeast
* [[Barrow County, Georgia|Barrow County]] – east
* [[Walton County, Georgia|Walton County]] – southeast
* [[Rockdale County, Georgia|Rockdale County]] – south
* [[DeKalb County, Georgia|DeKalb County]] – southwest
* [[Fulton County, Georgia|Fulton County]] – west
{{div col end}}