Explore details about location Plaza Constitución. Plaza Constitución is a location situated within the Olocau del Rey alongside other areas such as Carretera de Cantavieja a Alcañiz, Carrer Sud, Plaza Constitución. Additionally, some smaller parts of Plaza Constitución include specific areas like Carrer Sant Roc, Carretera de Cantavieja a Alcañiz adding to the diversity of its landscape.