Question: where is the holy grail in the last supper

title: Holy Chalice
text: The Holy Chalice is the vessel which in Christian tradition Jesus used at the Last Supper to serve the wine . The vessel is referred to in the synoptic gospels as ποτήριον ( `` cup , drinking vessel '' ) . The celebration of the Eucharist in Christian churches and communities retains the original elements of the Last Supper , the bread and the cup or chalice , with the celebrant using the words of Jesus , as recorded in the Gospels . The Holy Chalice in the form of the Holy Grail became a topos in Arthurian romance in the high medieval period . In Roman Catholic relic veneration of the later medieval period , two artifacts , one kept in Genoa and the other in Valencia , were identified as the Holy Chalice . 

Answer: answer: The Holy Chalice, in the form of the Holy Grail, is the vessel which in Christian tradition Jesus used at the Last Supper to serve the wine.
answer: The Holy Chalice in the form of the Holy Grail became a topos in Arthurian romance in the high medieval period. There are two artifacts  identified as the Holy Chalice, one kept in Genoa and the other in Valencia.