  dietikon district is a district of the swiss canton of zÃ¼rich. the capital of the district of dietikon is the city of dietikon, located in the limmat valley (german: limmattal). dietikon district was created in 1989 by splitting the former zÃ¼rich district into three parts. the western part became the dietikon district, the eastern part became the district (respectively city) of zÃ¼rich and the municipality of zollikon (located east of zÃ¼rich) was integrated into the meilen district. {|cellpadding="3" cellspacing="0" border="1" style="border: gray solid 1px; border-collapse: collapse;" !colspan="1" align=left bgcolor="#efefef" width="190" | municipality !colspan="1" align=center bgcolor="#efefef" width="100" | population() !colspan="1" align=right bgcolor="#efefef" width="80" | area, kmÂ² |- |aesch || align="center" |  | align="right" | 5.24 |- |birmensdorf || align="center" |  | align="right" | 11.38 |- |dietikon || align="center" |  | align="right" | 9.33 |- |geroldswil || align="center" |  | align="right" | 1.91 |- |oberengstringen || align="center" |  | align="right" | 2.13 |- |oetwil an der limmat || align="center" |  | align="right" | 2.76 |- |schlieren || align="center" |  | align="right" | 6.38 |- |uitikon || align="center" |  
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