
Saint Erhard of Regensburg was a bishop during the 7th century and is a recognized saint in the Catholic Church. He is primarily associated with the region of Bavaria, Germany. {precise details about his life and travels can be scarce and often mingled with legend. His 11th century biography says he was ‘Scoticus’, indicating he was from Ireland.
- Regensburg, Germany: As the primary association, Regensburg is where Saint Erhard served as a bishop. The city is home to the Regensburg Cathedral, where Saint Erhard’s relics were once enshrined.
- Longford: Erhard is included in the list of bishops at St Mel’s caythedral. Erhard was bishop of Ardagh before crossing to the mainland with Albert of Cashel, perhaps a corruption of Ailbe, said to be his friend or his brother.
- Niedermünster Abbey, Regensburg: This abbey in Regensburg is said to have been founded by Saint Erhard and was a significant centre for nuns. It also claimed to house his tomb at one point.

- Prague, Czech Republic: According to an old martyrology from Prague, some of Erhard’s relics were transferred there in the time of Emperor Charles IV.
- Ebrach, Germany: This town is believed to be the birthplace of Saint Erhard. A monastery in the area, Ebrach Abbey, was later dedicated to his memory.
- Worms, Germany: According to some legends, Saint Erhard studied here. The city is well-known for its Worms Cathedral, a significant site of Romanesque architecture.
- Verdun, France: Saint Erhard is believed to have spent time in Verdun (then part of the Holy Roman Empire) and may have been consecrated as a bishop there.
- Amorbach, Germany: There is a church in Amorbach that honours Saint Erhard and possesses relics attributed to him, highlighting his influence throughout the region.
- Ratisbon (Regensburg), Germany: This is an older name for Regensburg, where Saint Erhard’s influence as bishop was most notable, especially concerning the spread of Christianity.

- St. Erhard’s Church, Sankt Erhard, Austria: In Austria, there is a church named after Saint Erhard, which signifies his extended veneration beyond Germany.
- Einsiedeln Abbey, Switzerland: Some pious traditions link Saint Erhard with this Swiss monastery, which is renowned for its Marian devotion.
- Heidenheim, Bavaria, Germany: According to lore, Saint Erhard may have established a religious community here, and thus the area came under his spiritual influence during his missionary work.
- Narbonne: Some researcher say Erthard was of Frankish origin, perhaps from Narbonne in southern Gaul.