- The tower of Ouranoupolis is located at the southeastern edge of the village. It considered that has been already existed on 1344, but maybe is the oldest and propably, built in position of older instalation.
- Here he has been hosted, the May of 1379 the "Despot" of Thessaloniki Ioannis Paleologos and through his stay here he freed the tower from the tax obligations.
- At the earthquake of 1585 it had been through serious damage resulting to follow fixing works. Subsequently on August 1858 started extensive fixing and rebuilding tasks, giving it's final shape we see today.
- On the Byzantine tower belongs all the down place of the stone building, exept of the 2 last floors. The last 2 floors, also one more that has been lost, are dated in the Ottoman domination, propably after the earthquake of 1585.
- The wood interior of the tower, with it's today's roof, are belong in it's reconstraction of 19th century, on which seems that it has been completed on 1862. Then it has been followed the constraction of the external recess, the oblique retaining wall. Today, after the recent restoration works the interior of the tower is maintaining with the original constructions of the 19th century.
- In the external space of the east side of the tower is annexed barbakas (fortified courtyard), which probably is an outbuilting of early Ottoman domination with subsequent repairs. Today's living spaces and warehouses in the interior of barbaka have be done in the middle of 19th century.
- In the northwest side of the tower is located the building of arsana, built on 1865, with the pier which is not saved. Is composed from the semi-basement storage area of the share boat, the warehouses in the semiconductor and the residence uppermost with his loggia.
- In the whole building complex of the share were adapted and a lot other buildings like warehouses, barns, oil industry, wells, etc. from which have been saved only 2, in distance 50m, south-east of the tower. The equity facilities ha been used for a lot of years as accommodation for refugees, who have found Ouranoupoli on 1923.