The parish is bounded by the
River Great Ouse to the northeast, one of its tributaries to the northwest and on other sides by field boundaries. The parish's northeastern boundary is also part of the county boundary with
Buckinghamshire. Its southeastern boundary is also part of the county boundary with
Oxfordshire. The parish includes the site of the
deserted medieval village of Astwick, about southwest of Evenley village. The
A43 road passes through the western part of the parish and links the village with junction 10 of the
M40 motorway to the south-west. ==Manor==