Diano Castello (Ligurian:Dian Castello[3]) is acomune (municipality) in theProvince of Imperia in theItalian regionLiguria, located about 90 kilometres (56 mi) southwest ofGenoa and about 5 kilometres (3 mi) northeast ofImperia. As of 31 December 2004, it had a population of 2,061 and an area of 6.0 square kilometres (2.3 sq mi).[4]
As the name of the municipality suggests, it was originally built in the 10th century as a fortification (Castrum Diani) against incursions by theSaracen pirates. As with many villages aroundSavona, it later became a fief of the Clavesana marquisate, who built a fortress and ruled till the second half of the 12th century. In the 14th century, Diano Castello became a free municipality (Communitas Diani), that controlled the surrounding villages. It later became part of theRepublic of Genoa. The people of this village fought along withGenoa againstPisa in theBattle of Meloria (1284). In 1747 it became part of theAustro-Hungarian Empire. In 1797 it came under French rule when it was conquered byNapoleon Bonaparte. In 1815 it was assigned to theKingdom of Sardinia. Finally, in 1860 it became part of theKingdom of Italy. The earthquake of 1887 inflicted serious damage to the churches and the historical monuments
Church of San Nicola di Bari : The original medieval church dates from before the 12th century. It became the parish church in 1223. The present building is the work of Giobatta and Giacomo Filippo Marvaldi, who rebuilt it inBaroque style between 1699 and 1725. The interior is decorated with polychrome marble ornamentation. The main altar is embellished with marbleintarsia. The wooden choir in the apse dates from the 18th century. The wooden crucifix above the altar is ascribed toAnton Maria Maragliano.
Church of St. John the Baptist (Chiesa di San Giovanni Battista) is situated at the northern side of the village. It was built inRomanesque style around 1,000 A.D. It was modified in the 12th century when the three-naved structure was replaced by a single nave. The finely painted wooden roofing truss dates from the 15th century, but was heavily restored in the 19th century. The paintings depict saints, the cycle of the months and people labouring in the fields.
Church of Santa Maria Assunta : this Romanesque church retains the apse that was built in the 13th century. Its arches rest onanthropomorphiccorbels. There are several frescoes in Baroque andRenaissance style. Recent restorations revealed 14th-century frescoes byAntonio Monregalese.
Church of Santa Maria degli Angeli
Oratory of San Bernardino and the Holy Cross : dating from the late Middle Ages and was largely restored in the 17th century.
The city hall (Palazzo comunale) was built in the 15th century as the residence of the Counts Quaglia. It contains a large fresco on the façade of the building representing the Genoese victory at the Battle of Meloria.