Recent research indicates the existence of 'places that don't matter', where residents harbour feelings of abandonment, prompting a tilt towards anti-system narratives. Yet, the effects of territorial marginalisation extend beyond voting behaviour, influencing deeper underlying factors. Utilising data from 9924 cases in the region of Valparaiso in Chile, this study reveals that living in politically marginalised cities in contexts of high political centralisation correlates with reduced political knowledge and internal political efficacy, even when accounting for other sociodemographic characteristics. By focusing on territorial marginalisation, this analysis offers a fresh perspective on the interplay between individual sociodemographic characteristics and political engagement.