An Post, officially known as the Irish postal service, is the national postal operator of Ireland. It was established in 1984 as a semi-state company following the dissolution of the Department of Posts and Telegraphs. An Post is headquartered in GPO, Dublin, which is historically renowned as the General Post Office, a prominent landmark in the city.

As Ireland's main postal service provider, An Post offers a wide range of products and services. These include mail delivery, both domestic and international, postal banking, bill payment services, retail services, and e-commerce solutions. It operates an extensive network of post offices and post points throughout the country, providing convenient access to its services for individuals and businesses alike.

While An Post's operations primarily focus on serving the Irish market, it also has global operations in collaboration with international postal operators. It is a member of the Universal Postal Union (UPU), which facilitates cooperation among postal organizations worldwide. Through this membership, An Post ensures the efficient delivery of mail and parcels across borders.

An Post has several noteworthy subsidiaries and partnerships. It operates Post Insurance, offering various insurance services, including motor, home, travel, and life insurance. It also collaborates with prominent courier companies such as DHL, enabling customers to access worldwide courier services at An Post branches.

In terms of its market position, An Post holds a significant share in the Irish postal services market. It faces competition from private courier companies in certain segments, particularly in e-commerce delivery. However, An Post's strong brand presence, extensive network, and trusted reputation continue to give it an advantageous position.

An Post has undergone various changes and achievements in recent years. It has modernized its operations to adapt to the digital era, introducing innovative services such as electronic stamp printing and online postal services. Furthermore, it has expanded its e-commerce solutions, supporting Irish businesses in their online endeavors.

As of the latest available information, An Post continues to thrive as a leading postal service provider in Ireland. It remains committed to providing reliable and efficient postal services to its customers while embracing technological advancements to meet evolving demands