This memorial is tomb of the great Gnostic and poet of the late 4th and early 5th centuries AH. The tomb is located on a hill in the north west of Hamadan.

'Avecina', or (Hojjat-ol-Haq Sheikh-ol-Rais Sharaf-ol-Molk Abu Ali Hossein Ebne Abdollah Ebne Sina), was the great philosopher, scholar, physician of Iran (370-428 AH.). This tomb is located in Bu Ali Sq.

Alavian (Gonbad-e-Alavian) Tomb, Hamadan This four-sided structure houses the tombs of two of the members of the Alavian family, related to the Saljuqi period. The dome of this structure had been artistically worked with plaster, but through the ages is no more. The tombs are situated under the domed ceiling of the cellar, and worked in blue tiles. Externally, the structure has been decoratively inlaid with bricks placed in a diamond pattern. The remains of a beautiful inscription, also in embossed brick, written in the 'kufic' script can be observed on the outer wall and columns. The entrance to this tomb is also worth attention.

This tomb is octagonal and is similar to Mongol architecture. There is a strong possibility that Haji Mohammad Ebrahim Esfahani was buried was burried here in the year (1170 AH.)

This historical structure is situated in the Sheikhanvar village of Lahijan. The same is relevant to Tajeddin Ebrahim or Sheikh Zahed Gilani. The structure covered with earthenware tiles is of a pyramid shape, with a pointed dome and ceiling of plaster work.