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Background: Onychomycosis is a common nail infection caused by dermatophytes, nondermatophytes molds (NDM), and yeasts. The prevalence of Aspergillus spp. is increasing worldwide. This study aims to describe the epidemiological and microbiological features of onychomycosis, especially for Aspergillus spp., Methods: This is a 5-year retrospective study of clinically suspected onychomycosis in one microbiological clinic in Albania. The mycological examination, which included direct microscopic examination of nail scrapings with 20% KOH and culture, was performed on 411 patients. After incubation, we studied the macroscopic characteristics of the colonies, size, shape, and color, and their microscopic examination. We evaluated positive cases for Aspergillus, all cases where Aspergillus was grown in the culture, the microscopy was positive, and the culture was negative for dermatophyte., Results: Onychomycosis resulted positive in 267 patients (52.9% females vs. 47.1% males). A total of 62.2% resulted infected by dermatophytes, 29.6% by yeasts, and 8.2% by NDM. Onychomycosis resulted more frequent in the age group 15-64 years old (63%). Aspergillus spp. were found in 19 patients from 22 patients with NDM onychomycosis. Males (11 patients) and the age group 15-64 years old (14 patients) were more vulnerable to Aspergillus spp. A. niger, A. flavus, and A. terreus isolated from the nail cultures in our study. The culture resulted more superior to KOH examinations., Conclusions: Our study indicates that NDM, including Aspergillus spp., are still rare findings from fungal examinations. However, dermatologist's clinical suspicion and microbiologist's skills are mandatory in diagnosing and properly managing patients with Aspergillus spp., (© 2023 the International Society of Dermatology.)