The last elections held in these communities were in 2018 Andalusian regional election in December 2018 ; 2016 Basque regional election and 2016 Galician regional election in September 2016 ; 2017 Catalan regional election in December 2017 ; and 2019 Valencian regional election in April 2019 ( for the first time separated from the rest of regional elections , although at the same date that the snap General Election for that year )