- The White Tower (15th century), the hallmark of the city.
- The Mosques of the Hamza Bey Cami (15th century), the Aladja Imaret Cami (1484) and the Yeni Cami (1902).
- Hamams (turkish bathhouses): The Pazar Hamam (15th century), the Pasha Hamam (15th century), Bey Hamam (16th century), Yeni Hamam and the Yahudi Hamam.
- Bezesteni, a rectangular building with lead-covered domes and four entraces was built in the late fifteenth century and operated as a cloth market.
- The ancient forum (dated to the late 2nd or the early 3rd century AD)
- The Triumphal Arch of Galerius (Kamara), built in AD 305 to commemorate his military successes in general in the eastern provinces of the Roman Empire.
- The Rotonda is an early 4th century building which later was converted into a Christian church.
Thessaloniki, with its host of Byzantine monuments (due to it’s significance during the Byzantine period), justifiably is considered an open-air museum of Byzantine art. Wandering through the city, it is worthwhile to see:
- The churches of Acheiropoietos (5th century) a three-aisled, timber-roofed basilica, the Holy Wisdom of God (Hagia Sophia) (7th century), the Panaghia (Virgin) Chalkeon (1028), Hosios David (12th century), St Panteleemon (late 13th or the early 14th century), is of four-columned cross-in-square type, Ayioi Apostoloi (1310-1314),Taxiarches (14th century), Panagouda a three-aisled basilica with significant icons, Agios Ioannis Prodromos (Nymphaion),Vlatadon monastery a 14th century foundation of which only the katholikon and two cisterns within the precinct survive, Ayios Demetrios asplendid basilica dedicated to the patron saint and protector of the city, etc.
- The byzantine walls of the city
- The byzantine bathhouse (late thirteenth century).
- The Heptapyrgion castle was raised in stages, from the early years of the Byzantine Age into the Ottoman period.
Museums of Thessaloniki
- Archaeological Museum (6, M. Andronikou street, tel.: 2310-831,037) An exciting tour of the history of ancient Macedonia through important findings dating back to the end of 6th century B.C. The museum was inaugurated in October 1962.
- Byzantine Civilization Museum (2, L. Stratou street, tel.: 2310-868.570): one of the most important museums of the country, with valuable Byzantine exhibits dating back from the Early Byzantine period to the Turkish occupation. The museum often hosts modern art works and cultural events.
- Museum of ancient Greek, Byzantine and Post-Byzantine instruments (12-14 Katouni street, Ladadika, tel.: 2310-555.263). More than 200 instruments dating from the Copper era until early 20th century are exposed in the three chambers of the restored building..
- Municipal Art Gallery (162, Vassilisis Olgas street, tel.:: 2310-425.531). Housed in Mordoch mansion, it exposes Greek painters’ works, placing the emphasis on artists from Thessaloniki.
- Jewish Museum (13 Aghiou Mina street, tel.: 2310-250,406-7) Housed in a preserved building built in 1904, it presents the historical course of the Jews of Thessaloniki until their genocide by the Nazis during German occupation.
- Thessaloniki History Center (Ippodamiou square, tel.: 2310-264,668) was founded in 1983 by the Municipality of Thessaloniki. It exposes historical documents, plans and gravures of the city.
- Cinematography Museum (Port of Thessaloniki, tel.: 2310-508,398): It exposes rare machines, negatives, photos and films from cinemas dating back to the pre-war period.
- Macedonia-Thrace Folklore and Ethnological Museum (68, Vassilisis Olgas street, tel.:: 2310-812.343): It is housed in the preserved mansion of G. Modiano and exhibits about 15,000 items of special interest.
- Macedonian Museum of Contemporary art (International Fair of Thessaloniki, tel.: 2310-281.567). The museum houses, among other things, paintings, sculptures, engravings, photos and films made by Greek or foreign artists.
- Museum of the Macedonian Struggle (23, Proxenou Koromila street, tel.: 2310 229778). Housed in the neoclassical building of the 19th century, it hosts an exhibition of heirlooms associated with the Macedonian struggle and photos dating back to the period from 1900 to 1912.