This registry has been designed as a multicenter, single arm, open label, post-market registry study with consecutive, eligible patient enrollment at each site. All subjects undergoing the Endovascular Aneurysm Sealing System (EVAS) with the Nellix®-System. Subjects will be followed up to discharge discharge, and as per institutional standard of care thereafter through to 5 years (total follow-up commitment). This registry of the Nellix System, which has received the market authorization of the European Union (Conformité Européenne, CE-certification) in a "real world" patient population treated in a multicenter setting will provide an assessment of the generalizability of the approach and System.

Up to 300 patients diagnosed with abdominal aortic aneurysm (AAA) who are considered candidates for Endovascular Repair, in up to 30 international centers will be enrolled in the study.

1. Baseline: medical history, physical exams, CT image, bloodwork,
2. Procedure: implantation information
3. Discharge: Physical exam, bloodwork and adverse events, if any
4. Follow-up according to institutional standard through to 5 years including Physical exam, CT image or standard of care imaging eg Doppler Ultrasound, bloodwork and adverse events, if any

Inclusion Criteria:

1. Male or female at least 18 years old
2. Subject has signed informed consent for data release
3. Subjects with AAA and eligible for endovascular repair

Exclusion Criteria:

1. Currently participating in another study where primary endpoint has not been reached yet
2. Known allergy to any of the device components
3. Pregnant (females of childbearing potential only)

Up to 300 patients diagnosed with AAA who are considered candidates for Endovascular Repair, who meet the study eligibility criteria and sign the Informed consent may be subsequently enrolled in the study