It is placed in the front in the synagogue.
The ark is always positioned so that the congregation in the synagogue faces the Temple Mount. In the UK, this means south and slightly east.
In a synagogue, the ark is always placed at the front of the congregation. Because Jews pray facing Jerusalem, the ark is placed with its back toward Jerusalem and the opening facing the congregation.
The ark is at the front, facing the congregation, as hinted in the Zohar, on Numbers end of ch.10. the back of the ark faces Israel, so that the congregation will be facing Israel, as per 1 Kings ch.8 (Talmud, Berakhot 30a).
ARK
The ark is known as the Aron Kodesh (ארון קודש) and it contains the synagogue's Torah scrolls.
We don't know where the ark is and it has never been in a synagogue. It had been in the temple in a room called the Holy of Holies.
The Holy Ark is the place where the Torah scrolls are kept.
It is where the Torah scroll is kept.
It faces Jerusalem.
To hold the Torah scroll in the synagogue.
Torah scrolls