Suceava Fortress

The preserved plan shows a compact, regular inner fort built on a plateau above the town, the later defensive systems lying around this core. The inner fort is rectangular, with north and south sides about 36 metres and east and west sides about 40 metres, constructed in the Mușat period of unworked stone and mortar with infill and courses of split brick, oak beams set into the masonry and vaulted cellar work where required.

The inner curtain walls survive in part and are described as roughly one and a half to two metres thick. Square defensive towers stood at each corner and at the midpoint of each side, each measuring about four metres per side. After fifteenth-century works an earlier enclosing wall lay some 20–25 metres outside the inner fort and later a much thicker perimeter of at least three and a half metres thickness with seven semicircular bastions was added, incorporating three of the earlier square towers.

A defensive ditch ran outside the eastern walls at roughly four metres distance and was cut to variable depths, one account recording depths near ten metres; the eastern side was reinforced by a stone counterscarp. Access changed over time: the original Mușat-period gate was a southern semicircular opening with a radius of about 1.5 metres, while later the entrance moved to the north-east and was approached by a bridge of fixed and movable sections resting on two high stone pillars; the movable span could be raised and the approach contained a trap and a succession of three gates, each defended from adjacent guardrooms.

Within the inner court a large open courtyard was surrounded by functional ranges. On the east a three-storey block contained princely chambers, a storeroom and a chapel entered from the yard by a spiral stone staircase whose walls were decorated with fresco painting. The west side contains large vaulted cellars supported by massive rectangular columns and semicircular arches, and above those cellars a first-floor great hall served as the council chamber, with Gothic and Renaissance consoles and richly carved keystones, one bearing the Moldavian coat of arms.

The south wall accommodated daily-use fittings and justice functions: a princely bath, a tower serving as a prison, and an execution place recorded outside the southern perimeter. Floors in princely rooms were laid with glazed brick and interior walls and stoves were lined with terracotta, including glazed terracotta stoves decorated with geometric motifs, coats of arms and mythical animals. External facings were ornamented with rows of discs and decorative buttons, and a powder magazine stood on the eastern side.

Inscriptions and finds recovered in excavation tie phases of repair and occupation to named figures and periods: the 1477 restoration inscription (fragments recovered in 1971), a 1596 brick fragment linked to Ieremia Movilă, and numerous silver coins of Petru Mușat from the earliest layer. The northern curtain collapsed in the 1684 earthquake and much of the fabric remained ruinous until late nineteenth- and twentieth-century interventions. Excavations and conservation from 1895 onward, major consolidation and partial rebuilding in 1961–1970, interventions in 2004 and comprehensive consolidation, vault strengthening and bridge restoration in the 2010s leave the main plan and many restored sections visible in situ today.