Electoral district I (Croatian: I. izborna jedinica) is one of twelve electoral districts of the Croatian Parliament.
Electoral district I consisted of:[1] Under 2023 revision district boundaries were redrawn according to suggestion of Constitutional Court to compel proportional number of voters.
Most ŽZ - PH - AM - Abeceda
Možemo - ZJN - NL - RF - ORAH - ZG
SDP - Centar - HSS - DO i SIP - NS R - GLAS Možemo DP - PiP - BLOK - Agrameri Most - HS - HKS - NLM