Ephron's field in Makhpelah adjoining Mamre thus became [Abraham's] uncontested property. [This included] the field, its cave, and every tree within its circumference.
Vayakom sedeh Efron asher baMachpelah asher lifney Mamre hasadeh vehame'arah asher-bo vechol-ha'ets asher basadeh asher bechol-gevulo saviv.
(Chizzkuni). See Genesis 13:18. Josephus notes that the 'Tree of Mamre' is approximately one half mile (6 furlongs) from Hebron proper (Wars 4:9:7).